CPC Subgroup
G01R 23/20 Measurement of non-linear distortion
Full Title
Arrangements for measuring frequencies; Arrangements for analysing frequency spectra > Spectrum analysis; Fourier analysis > Measurement of non-linear distortion
G01R 23/20 Arrangements for measuring frequencies; Arrangements for analysing frequency spectra > Spectrum analysis; Fourier analysis > Measurement of non-linear distortion